On 07/07/2021 5:29 a.m., David Enrique Payares García wrote:
Hello everybody,

I developed an R package that depends on packages hosted in GitHub.
In the DESCRIPTION file, I added the R packages (from GitHub ) in the
"Suggests" section and I included a copy of them in my personal GitHub so
they can be accessed in the "Additional_repositories:" section.


Suggests:
     rmarkdown,
     ANTsR,
     ANTsRCore,
     ITKR,
     extrantsr,
     MNITemplate,
     RAVEL
Imports:
     knitr,
     oro.nifti,
     fslr,
     neurobase
Depends:
     R (>= 3.5)
Additional_repositories: https://davidpayares.github.io/drat


A copy of the R packages my package needs is in
https://davidpayares.github.io/drat .
When I submit the package to CRAN, I get this error:


Suggests or Enhances not in mainstream repositories:
     ANTsR, ANTsRCore, ITKR, extrantsr, MNITemplate, RAVEL
   Availability using Additional_repositories specification:
     ANTsR         yes   https://davidpayares.github.io/drat
     ANTsRCore     yes   https://davidpayares.github.io/drat
     ITKR          yes   https://davidpayares.github.io/drat
     extrantsr     yes   https://davidpayares.github.io/drat
     MNITemplate   yes   https://davidpayares.github.io/drat
     RAVEL         yes   https://davidpayares.github.io/drat

Flavor: r-devel-linux-x86_64-debian-gcc, r-devel-windows-ix86+x86_64
Check: package dependencies, Result: ERROR
   Packages suggested but not available for checking:
     'ANTsR', 'ANTsRCore', 'ITKR', 'extrantsr', 'MNITemplate', 'RAVEL'

   Namespace dependencies missing from DESCRIPTION Imports/Depends entries:
     'MNITemplate', 'RAVEL', 'extrantsr'

I think this one is the part causing the ERROR. Without seeing your package I can't say for sure, but I would guess you have made some unconditional use of those three packages. Since they are only Suggested packages, you can't do that. Your package has to run even if they are not available at all. (It may not have full functionality, but it shouldn't generate any errors in its tests or examples.)

Duncan Murdoch



I found that this is the correct way to add dependencies that are not
hosted in CRAN. However, I do not understand why it is not working. If
anyone could help me, I would really appreciate it.

Thank you so much.

Cheers,

David Payares

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